Pass the additionalItems tests.

Author: Julian

jsonschema/_validators.py

@@ -284,7 +284,7 @@ def extends_draft3(validator, extends, instance, schema):
             yield error
 
 
-def type_draft4(validator, types, instance, schema):
+def type(validator, types, instance, schema):
     types = _utils.ensure_list(types)
 
     if not any(validator.is_type(instance, type) for type in types):

jsonschema/validators.py

@@ -237,6 +237,9 @@ def extend(validator, validators, version=None):
 Draft6Validator = create(
     meta_schema=_utils.load_schema("draft6"),
     validators={
+        u"additionalItems": _validators.additionalItems,
+        u"items": _validators.items,
+        u"type": _validators.type,
     },
     version="draft6",
 )